pesticide chemical

(4)With respect to a substance that is not included in the definition of the term “pesticide chemical” underbut was so included on the day before, the following applies as of: (A)Notwithstanding paragraph (2), any regulation applying to the use of the substance that was in effect on the day before, and was on such day deemed in such paragraph to have been issued under this section, shall be considered to have been issued undersection 348 of this title. (B)Notwithstanding paragraph (3), any regulation applying to the use of the substance that was in effect on such day and was issued under this section (including any such regulation issued before) is deemed to have been issued undersection 348 of this title. (k)If, on the day before, a substance that is a pesticide chemical was, with respect to a particular pesticidal use of the substance and any resulting pesticide chemical residue in or on a particular food—